map -package:basement -is:exact -package:base-compat-batteries -package:charset -is:exact -package:conduit -package:dense-linear-algebra -package:blaze-html -package:filepath -package:base-compat -package:base-prelude -package:imports is:exact -package:os-string package:monoidal-containers
O(n) Transform this map by applying a function to every value.